Forced oxidation monitoring and control system

Details Forced oxidation monitoring and control system Forced oxidation monitoring and control system

1991-11-27

1992-12-01

Housel, James C.

Chemistry: analytical and immunological testing

Condition responsive control

436119, 436163, 422 62, 422105, 422108, 422111, 42324301, 423555, G01N 3500, B01J 1000

Patent

active

051680653

ABSTRACT:
A method and apparatus for operating a limestone wet scrubbing flue gas desulfurization apparatus comprises first and second pH measuring devices connected respectively to a recirculation line in the scrubber and above the liquid holdup tray in the scrubber. The difference in the pH values measured at these two locations in the system is used to adjust the amount of air supplied to the sump or reaction tank of the scrubber to maximize oxidation in the scrubber and to avoid wasted airflow.

REFERENCES:
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patent: 4431618 (1984-02-01), Boward, Jr. et al.
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patent: 4587112 (1986-05-01), Kim
patent: 4762796 (1988-08-01), Weber et al.
patent: 5008203 (1991-04-01), Mathews

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